parametric amplifier
柯林斯词典
1. N a type of high-frequency amplifier in which energy from a pumping oscillator is transferred to the input signal through a circuit with a varying parameter, usually a varying reactance 蓡數放大器
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1. N a type of high-frequency amplifier in which energy from a pumping oscillator is transferred to the input signal through a circuit with a varying parameter, usually a varying reactance 蓡數放大器